Hi Jeff, no, not yet. What I want to avoid is: I try the OFED subnet manager and it does not work and then I have to wait until I get the licence. This project has enough delays right now and I don't want to add to it. Hence my question.
Having said that: are you happy with the OFED one? All the best Jörg On Dienstag 15 September 2015 Jeff Becker wrote: > Hi Jörg, > > Have you tried using the subnet manager from Mellanox OFED (which is > free)? That's what we use on our big heterogeneous cluster at NASA. > > HTH > > -jeff > > On 09/15/2015 08:55 AM, Jörg Saßmannshausen wrote: > > Dear all, > > > > I am a bit confused and I was wondering whether somebody on the list > > could give me a bit of advice here. > > > > I was previously using QLogic for my QDR InfiniBand network. I got one > > master switch which got the licence for the InfiniBand installed and > > things appear to work ok. At least I cannot detect any problems despite > > adding switches and nodes to the fabric. > > > > Now, we recently purchased a new cluster with 20 cores per node and here > > I decided to go for FDR to be a bit more future proofed as well. So I > > got the 'normal' licence from Mellanox for the cluster. I got one > > licence per node so I assumed that was ok. > > > > Now, we are in the process to set up another cluster with a mixture of > > older and newer hardware. Again I have decided to opt for the FDR simply > > to be a bit more future proofed. And this is where the confusion comes > > in. > > > > Apparently I do need now the UFM (Unified Fibre Manager) from Mellanox to > > run the InfiniBand. However, the normal licence is only for up to 16 > > cores per node and I would need the more expensive exhanced licence. > > > > From what I and a colleague of mine can see the UFM is nothing more than > > the > > > > requires subnet manager plus some diagnostic tools. > > > > There are two questions here: > > > > - do we really need the exhanced UFM licence or is that just a way to > > make money? > > > > - would the open source subnet manage work as well and would the open > > source diagnostic tools be ok? > > > > - why do I need to pay for a licence for each node? Somehow I cannot > > recall having done that in the past. > > > > Unfortunately, InfiniBand is not my strong side and thus I would > > appreciate and advice here. > > > > All the best from a meanwhile sunny London > > > > Jörg > > > > > > > > _______________________________________________ > > Beowulf mailing list, [email protected] sponsored by Penguin Computing > > To change your subscription (digest mode or unsubscribe) visit > > http://www.beowulf.org/mailman/listinfo/beowulf -- ************************************************************* Dr. Jörg Saßmannshausen, MRSC University College London Department of Chemistry 20 Gordon Street London WC1H 0AJ email: [email protected] web: http://sassy.formativ.net Please avoid sending me Word or PowerPoint attachments. See http://www.gnu.org/philosophy/no-word-attachments.html
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